:root{
  --bg:#0a0a0a; --ink:#e5e7eb; --muted:#9ca3af; --brand:#22d3ee; --brand2:#38bdf8; --gold:#f59e0b; --card:#0f1115; --border:#1f2937;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0}
h2{font-size:34px;margin:0 0 12px}
p{margin:0 0 12px;color:var(--muted);line-height:1.6}

/* Fixed header + page paddings */
.header{position:fixed; top:0; left:0; right:0; z-index:50; background:rgba(10,10,10,.8); backdrop-filter:blur(8px); border-bottom:1px solid rgba(255,255,255,.06)}
.header .bar{height:64px;display:flex;align-items:center;justify-content:space-between}
body{padding-top:64px; padding-bottom:96px}
.nav a{margin:0 14px;color:#cbd5e1}.nav a:hover{color:#fff}

/* Global dot grid overlay */
.bg-grid{position:fixed; inset:0; z-index:1; pointer-events:none;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:16px 16px; opacity:.25;
}

.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:14px;border:1px solid #222}
.btn-primary{background:linear-gradient(90deg,var(--brand),var(--brand2));color:#0a0a0a;border:0}
.btn-ghost{border-color:#2a2a2a}
.badge{display:inline-flex;align-items:center;border:1px solid #2a2a2a;border-radius:999px;padding:6px 10px;font-size:12px;color:#d1d5db;background:#121418}

.hero{position:relative;min-height:78vh;display:flex;align-items:center;overflow:hidden}
.hero .slides{position:absolute;inset:0; z-index:0}
.hero .slides img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s ease}
.hero .slides img.active{opacity:1}
.hero .overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(0,0,0,.55),rgba(0,0,0,.55)); z-index:0}
.hero .aurora{position:absolute;inset:0;background:radial-gradient(ellipse at top, rgba(34,211,238,.12), transparent 60%),radial-gradient(ellipse at bottom, rgba(59,130,246,.08), transparent 60%); z-index:0}
.hero .content{position:relative;z-index:2}
.glass{background:rgba(15,17,21,.58); border:1px solid rgba(148,163,184,.18); backdrop-filter:blur(8px); border-radius:18px; padding:18px; box-shadow:0 10px 30px rgba(0,0,0,.25)}

.dots{display:flex;gap:8px;margin-top:18px}
.dots button{height:6px;width:36px;border-radius:999px;background:rgba(255,255,255,.35);border:0;cursor:pointer}
.dots button.active{background:var(--brand)}

.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}}
.card{background:rgba(15,17,21,.7);border:1px solid var(--border);border-radius:18px;padding:22px}
.feature h3{font-size:18px;color:#fff}
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:1000px){.gallery{grid-template-columns:repeat(3,1fr)}}
@media (max-width:700px){.gallery{grid-template-columns:repeat(2,1fr)}}
.gallery img{height:190px;object-fit:cover;border-radius:14px;border:1px solid var(--border);cursor:zoom-in}

.faq .item{border-bottom:1px solid var(--border);padding:16px 0}
.faq summary{cursor:pointer;color:#fff;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq details[open] summary{color:var(--brand)}

.form .input, .form textarea{width:100%;background:#0b0d10;color:#fff;border:1px solid var(--border);border-radius:14px;padding:12px}
.footer{border-top:1px solid rgba(255,255,255,.06);padding:24px 0;color:#9aa0aa}

/* Fixed bottom CTA */
.sticky-cta{position:fixed; left:0; right:0; bottom:16px; z-index:40; pointer-events:none; padding:0}
.sticky-cta .bar{pointer-events:auto; display:flex;align-items:center;justify-content:space-between;background:rgba(17,19,23,.85);border:1px solid var(--border);border-radius:16px;padding:12px 16px;backdrop-filter:blur(6px); box-shadow:0 10px 30px rgba(0,0,0,.35)}

/* Lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);display:none;align-items:center;justify-content:center;z-index:60}
.lightbox.open{display:flex}
.lightbox img{max-width:92vw;max-height:92vh;border-radius:8px}